Some of them meant messages such as 'I am Dangerous' or 'Falsehood'.

Others hold the meaning, 'I'll Still Be Waiting' and 'Separation'. Though the flowers that mean 'Separation' could still yet mean 'Thoughts of the Departed'.

But if you did not receive anything, and neither have other individuals I have spoken to, I shall take it that the flowers did not come from the departed.

[enough people who died know jiji likes flower language so he wouldn't be surprised if they could only send items or something and did this]